radtel Bluetooth Walkie Talkie headset, earpiece with noise-cancelling microphone, Compatible BaoFeng Kenwood Quansheng Radios uv-k5 & plus 2-pin K-Connector (Updated version)

It can be paired with the walkie-talkie with K connector and mobile phone at the same time. When the walkie-talkie model enters, it will receive first, and it will automatically return to the mobile phone pairing state after 8s. Compatible with Radtel RT-470X RT-490 RT-890 RT-470 RT-590, Baofeng UV-5R UV-82 BF-F8HP UV-82HP RT21 H777,BTECH UV-5X3 GMRS-V1 k-type connector (not compatible with Motorola/ICOM/Hytera etc). It has a noise cancellation function. When the background noise is very loud, you can press and hold volume + and - to eliminate the noise. Wireless version: BT V5.3 also compatible with V4.0/V3.0/V2.1 etc. Supported protocol: A2DP 1.3.2, and more. Transmission distance: approx. 10 metres, frequency: 2.4 GHZ, charge DC5V/0.5-1A, talk time: approx. 25-26 hours, standby time: approx. 560 hours, charge time: approx. 1-2 hours